Hook up DidReceiveInputEvent to the blink scheduler

content/renderer/scheduler/renderer_scheduler_impl_unittest.cc

Index: content/renderer/scheduler/renderer_scheduler_impl_unittest.cc
diff --git a/content/renderer/scheduler/renderer_scheduler_impl_unittest.cc b/content/renderer/scheduler/renderer_scheduler_impl_unittest.cc
index 701a222c71ed724c974382bfff62e9509a68bfe9..687f62a6754167d3968a4abfd0fca63bdfef0c49 100644
--- a/content/renderer/scheduler/renderer_scheduler_impl_unittest.cc
+++ b/content/renderer/scheduler/renderer_scheduler_impl_unittest.cc
@@ -306,6 +306,33 @@ TEST_F(RendererSchedulerImplTest, TestCompositorPolicy) {
                                           std::string("I1")));
 }
 
+TEST_F(RendererSchedulerImplTest, TestCompositorPolicy_DidAnimateForInput) {
+  std::vector<std::string> order;
+
+  idle_task_runner_->PostIdleTask(
+      FROM_HERE,
+      base::Bind(&AppendToVectorIdleTestTask, &order, std::string("I1")));
+  default_task_runner_->PostTask(
+      FROM_HERE,
+      base::Bind(&AppendToVectorTestTask, &order, std::string("D1")));
+  compositor_task_runner_->PostTask(
+      FROM_HERE,
+      base::Bind(&AppendToVectorTestTask, &order, std::string("C1")));
+  default_task_runner_->PostTask(
+      FROM_HERE,
+      base::Bind(&AppendToVectorTestTask, &order, std::string("D2")));
+  compositor_task_runner_->PostTask(
+      FROM_HERE,
+      base::Bind(&AppendToVectorTestTask, &order, std::string("C2")));
+
+  scheduler_->DidAnimateForInputOnCompositorThread();
+  EnableIdleTasks();
+  RunUntilIdle();
+  EXPECT_THAT(order, testing::ElementsAre(std::string("C1"), std::string("C2"),
+                                          std::string("D1"), std::string("D2"),
+                                          std::string("I1")));
+}
+
 TEST_F(RendererSchedulerImplTest,
        TestCompositorPolicyDoesNotStarveDefaultTasks) {
   std::vector<std::string> order;